docs: def list_pods(self, namespace=None):
          """
          List all available pods.
  
          :param namespace: str, if not specified list pods for all namespaces
          :return: collection of instances of :class:`conu.backend.k8s.pod.Pod`
          """
  
          if namespace:
              return [Pod(name=p.metadata.name, namespace=namespace, spec=p.spec)
                      for p in self.core_api.list_namespaced_pod(namespace, watch=False).items]
  
          return [Pod(name=p.metadata.name, namespace=p.metadata.namespace, spec=p.spec)
                  for p in self.core_api.list_pod_for_all_namespaces(watch=False).items]